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ISO 4623-2:2003 Paints and varnishes - Determination of resistance to filiform corrosion - Part 2: Aluminium substrates
standard by International Organization for Standardization, 03/01/2003
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ISO 4623-2:2003 describes a test procedure for assessing the protective action of coatings of paints or varnishes on aluminium against filiform corrosion arising from a scribe mark cut through the coating.
It is only suitable for assessing the performance of the coating/substrate combination tested. It is not suitable for predicting the performance of the coating on different substrates.